Nut to carry lubricant



Dec. 15, 1936. H GORD N 2,064,377

NUT To CARRY LUBRICANT Filed Feb. 20, 1936 L ii-7 0375a)? z; AlvM/L Patented Dec. 15, 1936 UNHTED T OFFICE NUT TO CARRY LUBRICANT Application February 20, 1936, Serial No. 64,837

1 Claim.

My present invention is a novel and improved nut adapted to replace the usual standard type of nut on a bolt, particularly for bolts thru automobile springs and the like, with provision to carry lubricating material and with a fixture for attachment to a source of lubricant under pressure such as a pump or in the well known socalled Alemite system.

My invention is of special importance in connection with automobile springs such as used on Ford automobiles where it is extremely diflicult to supply lubrication in the springs and which necessitates removal of the springs or the body to substitute a new bolt.

By means of my invention I am enabled instantly and with unskilled labor to back off the usual or normal nut on a spring-holding bolt and to instantly apply my improved device with a channel for lubricant and an attachment, valve,

and connections to enable lubricant under pressure to be supplied. Furthermore, the yielding of the springs effects a pumping action to aid in forcing the lubricant upwardly around the shank of the bolt and laterally thru the various leaves of the spring.

Referring to the drawing illustrating a preferred embodiment of the present invention,

Fig. 1 is a typical showing of a set of springs such as utilized in automobile construction, particularly smaller cars such as Fords.

Fig. 2 is an enlarged cross-sectional fragmentary view.

As shown in the drawing, a typical set of springs with a plurality of leaves I, 2, 3, e, 5, 6, l, 8, and 9 are illustrated, which of course may be of any number, and a bolt having a head l2 and shank i4 pass thru openings thru each of the leaves, and the same are held together by an ordinary nut threaded on the bottom of the shank M. One

or more of such bolts may be utilized.

I provide a new lubricating nut I5 threaded to fit on the threaded portion of the shank M of the bolt, removing the original nut and replacing the same with my lubricating nut. This improved nut is of substantial size and is formed with a lubricant-receiving opening H6 at the upper or top portion entirely encircling the opening for the shank M, and is provided at one side of the tapped recess I! which is threaded onto the shank 5 M with a conduit l8 opening into a bottom recess l9 which is tapped to receive the correspondingly threaded portion of a valve 20, having an Alemite fitting 2| on said valve for connection with a power lubricating pump or supply. 10

Thus in my improved construction by the simple backing oif of the original nut on the shank It and replacement by threading on my improved lubricating nut [5 an instantaneous change is made, enabling lubricant to be supplied under 15 pressure to the recess I9, conduit l8, and the opening I6, forcing the lubricant 25 under pressure in the same and up and around the space between the shank I4 and the openings in the spring leaves, from whence the lubricant will 20 work thru between the leaves of the spring.

The opening l6 and recess I9 may be of considerable size and capacity to receive and hold a quantity of lubricant which, when forced in under pressure, would constitute a supply for a 25 considerable length of time. I

I claim:

A lubricating nut for attachment to a standard spring-holding bolt formed of substantially greater length than that of the original nut which it 30 replaces, and comprising four recesses: a central tapped recess extending partly thru the length of the nut and adapted to be threaded onto the correspondingly threaded end of the bolt, a counterbored recess of greater diameter than the 35 bolt to receive lubricant at the open end of said center tapped recess, a longitudinally formed recess parallel to the center tapped recess and opening into the counterbored recess to conduct lubricant thereto, and a laterally tapped opening 40 from said longitudinal recess to hold a valve fixture for receiving a supply of lubricant therethru.

HERMAN L. GORDON. 

